/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 123
 * Date: 2023-05-17
 * Time: 9:55
 */
public class test {
    public static void main(String[] args) {
        int a  = 10 ;
        Integer  b = Integer.valueOf(a) ;
        int c = b.intValue();

    }
    public static void main4(String[] args) {
        Integer a = 100 ;
        Integer b = 100 ;
        System.out.println(a == b);
        Integer c = 200 ;
        Integer d = 200 ;
        System.out.println(c == d);
    }

    public static void main2(String[] args) {
        Integer a = new Integer(10);
        int b = a;
        int c = a.intValue();
        System.out.println(c);
        Double d = new Double(4.0);
        double h = d.doubleValue() ;
        System.out.println(h);
    }
    public static void main1(String[] args) {
        int a = 10 ;
        Integer b = a ;
        System.out.println(b);

        Integer c = Integer.valueOf(a) ;
        System.out.println(c);
        char i = 'a' ;
        Character j = i ;
        System.out.println(j);
        Character h = Character.valueOf(i);
        System.out.println(h);

    }
}
